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21x-56-45x-45=155x-20+8x-2
We simplify the equation to the form, which is simple to understand
21x-56-45x-45=155x-20+8x-2
We move all terms containing x to the left and all other terms to the right.
+21x-45x-155x-8x=-20-2+56+45
We simplify left and right side of the equation.
-187x=+79
We divide both sides of the equation by -187 to get x.
x=-0.42245989304813
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